Saturday, Dec 1, 2012 - 8:30 PMThe rollicking music icons have touched three generations with their Irish folk songs. Now the group delivers a spirited set of fun-loving holiday tunes, including "Must Be Santa," "Grandma Got Run Over by a Reindeer," "Christmas in Killarney," and traditional standards such as "Jingle Bells" and "We Wish You a Merry Christmas."G